Table 2. Erythema index results with pairwise comparisons between time periods.

	Before treatment	Short-term follow-up	Long-term follow-up	Between baseline and short-term follow-up		Between baseline and long-term follow-up
				Difference in means	p-value	Difference in means	p-value
LPAN	17.3±2.3	16.0±2.6	16.7±2.4	1.36±1.23	<0.001	0.63±1.16	0.035
PDL	18.1±3.8	17.2±4.2	17.6±3.4	0.96±1.20	0.003	0.51±1.70	0.206

Values are presented as mean±standard deviation. LPAN: dual wavelength long-pulsed 755-nm alexandrite/1,064-nm neodymium: yttrium-aluminum-garnet laser, PDL: 585-nm pulsed dye laser. Short-term follow up: 2-week after the last treatment, long-term follow up: 6-month after the last treatment.